Selected X11 Apps Suddenly Stopped Working

[Warren Block]

On Fri, 30 Jan 2009, Tim Daneliuk wrote:
> John Hein wrote:
>> Tim Daneliuk wrote at 23:21 -0600 on Jan 29, 2009:
>> > In the past week or so, I've ripped xfce4 out of a server and replaced
>> > it with blackbox.  I also did some portupgrades ... and then the fun
>> > began.  Certain X apps - GNU emacs and wireshark notably - no longer
>> > work.  In both cases, I start the program from an xterm, and the
>> > screen just sits there.  This is true whether I install from ports
>> > or the most recent packages tree.  emacs will start with the -nw
>> > option.
>> >
>> > I went back and ripped all of X out of the system, and reinstalled
>> > it from the metaport in the current packages tree.  This did not
>> > help - same problem.
>> >
>> > This is a FBSD6.4-STABLE system as of 1-19-2009 running on an Intel
>> > mobo with a 3GHz Pentium-D.
>> >
>> > Ideas as to what's going on or how to debug this would be appreciated.
>> > I'm guessing it's some library incompatibility/missing but I haven't
>> > a clue where to being looking ...
>>
>> ktrace should tell you where the app is getting stuck.

pkg_libchk from bsdadminscripts might be work a look also.

> It seems that last night's port updates fixed the problem .. sort
> of.  emacs et al do startup OK now, but I am seeing this
> message when they do:
>
>  Xlib:  extension "Generic Event Extension" missing on display

Here too, but it doesn't sound serious:

http://lists.freedesktop.org/archives/xorg/2008-October/039131.html

-Warren Block * Rapid City, South Dakota USA